There are a bunch of cool science games on PBS kids. One very cool game I've played was muscle memory. Your nieces can learn the different parts of the body and even take part in moving their arms and legs!
Science games for children can be found online but toy stores such as ToysRUs terrific science toys and games. There are fossil games, dinosaur games and microscope activities.
There are many fun science games for children. Try a chemistry set or an experimental pack. Alternatively, try webpages such as 'science kids' for fun ideas.
I would recommend any of the games in the related links:
primarygames.com has a science section if you click on that tab, but also there are virtual world games that are just for fun so its not all science
Funbrain and pbskids both offer fun science games for young children that are age appropriate and can help challenge them to be better.
The Hunger Games is a very good book series. It won a Hal Clement Award for excellence in young adult science fiction.
Yes, there are companies that offer educational computer games that help children with science subjects. One company would be Leap Frog. There are a variety of options that they offer when it comes to teaching kids a variety of subjects.
Not to my knowledge, or at least not very popular. There are a lot of great and popular shooting games, but they are real guns
science yes, if your aren't good at these id recommend learning science, math and spelling too...
Rocket Science Games was created in 1993.
have you tried playing any of the harvest moon games you can get married and have children i would recommend rune factory 2 and 3 because you get to play as your child in the second one i loved it
Yes, there are plenty of online games that are fun to play by yourself or with family and children. Try websites like www.mostfungames.com/, www.itsnotbadatall.com/ and www.addictinggames.com/ for different options.